/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.channel.epoll;

import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelOption;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.unix.DomainSocketChannelConfig;
import io.netty.channel.unix.DomainSocketReadMode;

import java.util.Map;

public final class EpollDomainSocketChannelConfig extends EpollChannelConfig
        implements DomainSocketChannelConfig
{
    private volatile DomainSocketReadMode mode = DomainSocketReadMode.BYTES;

    EpollDomainSocketChannelConfig(AbstractEpollChannel channel)
    {
        super(channel);
    }

    @Override
    public Map<ChannelOption<?>, Object> getOptions()
    {
        return getOptions(super.getOptions(),
                EpollChannelOption.DOMAIN_SOCKET_READ_MODE);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getOption(ChannelOption<T> option)
    {
        if (option == EpollChannelOption.DOMAIN_SOCKET_READ_MODE)
        {
            return (T) getReadMode();
        }
        return super.getOption(option);
    }

    @Override
    public <T> boolean setOption(ChannelOption<T> option, T value)
    {
        validate(option, value);

        if (option == EpollChannelOption.DOMAIN_SOCKET_READ_MODE)
        {
            setReadMode((DomainSocketReadMode) value);
        }
        else
        {
            return super.setOption(option, value);
        }

        return true;
    }

    @Override
    @Deprecated
    public EpollDomainSocketChannelConfig setMaxMessagesPerRead(
            int maxMessagesPerRead)
    {
        super.setMaxMessagesPerRead(maxMessagesPerRead);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setConnectTimeoutMillis(
            int connectTimeoutMillis)
    {
        super.setConnectTimeoutMillis(connectTimeoutMillis);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setWriteSpinCount(int writeSpinCount)
    {
        super.setWriteSpinCount(writeSpinCount);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setRecvByteBufAllocator(
            RecvByteBufAllocator allocator)
    {
        super.setRecvByteBufAllocator(allocator);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setAllocator(
            ByteBufAllocator allocator)
    {
        super.setAllocator(allocator);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setAutoClose(boolean autoClose)
    {
        super.setAutoClose(autoClose);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setMessageSizeEstimator(
            MessageSizeEstimator estimator)
    {
        super.setMessageSizeEstimator(estimator);
        return this;
    }

    @Override
    @Deprecated
    public EpollDomainSocketChannelConfig setWriteBufferLowWaterMark(
            int writeBufferLowWaterMark)
    {
        super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
        return this;
    }

    @Override
    @Deprecated
    public EpollDomainSocketChannelConfig setWriteBufferHighWaterMark(
            int writeBufferHighWaterMark)
    {
        super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setWriteBufferWaterMark(
            WriteBufferWaterMark writeBufferWaterMark)
    {
        super.setWriteBufferWaterMark(writeBufferWaterMark);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setAutoRead(boolean autoRead)
    {
        super.setAutoRead(autoRead);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setEpollMode(EpollMode mode)
    {
        super.setEpollMode(mode);
        return this;
    }

    @Override
    public EpollDomainSocketChannelConfig setReadMode(DomainSocketReadMode mode)
    {
        if (mode == null)
        {
            throw new NullPointerException("mode");
        }
        this.mode = mode;
        return this;
    }

    @Override
    public DomainSocketReadMode getReadMode()
    {
        return mode;
    }
}
